♦ 70 mm aperture / 474 mm focal length / focal ratio f/6.78
♦ 4-element quadruplet design with a 32 mm diameter, fully corrected image field - ideal for cameras up to APS-C sensors
♦ The 2-element corrector is fixed in the tube.
♦ Good image through SD apo lens with FPL51 and lanthanum special glasses
♦ Sturdy 2.5" rack and pinion focuser (70 mm travel) with screw adaptation M54x0.75 and reduction to 2" and 1.25"
♦ No adapter battle - just focus and you´re automatically at the right distance.
♦ Generous focus distance of 135 mm from the 2" receptacle onwards
♦ Finder shoe, CNC tube rings, EQ5 style dovetail bar and high quality transport case included in delivery
The TSED70Q has a very comfortable working distance of 135 mm from the 2" receptacle, so you can use 2" star diagonal mirrors and eyepieces and you can focus with ease.
To connect a camera, we recommend the adapter TSFA240, this adapter has 40 mm length and a T2 thread on the camera side. With this adapter you can connect all common DSLR, system or astro cameras. In addition, the focuser has an M54x0.75 female thread for screwed adapters.
Aperture: | 70 mm |
Focal length: | 474 mm |
Focal ratio: | f/6.78 |
Objective: | 2-element SD lens with FPL51 and Lanthanum special glass |
Corrector: | 2-element corrector installed in the tube |
Focuser: | 2.5" RAP focuser with 2" and 1.25" reduction Adapter and M54x0.75 female thread |
Corrected and flattner field: | 32 mm with 100% correction |
Working distance from the 2" receptacle: | 135 mm |
Tube weight incl. accessories: | 2.8 kg |
Tube length: | 370 mm min. |
Tube diameter: | 82 mm |
Dew shield diameter: | 93 mm |
Outer dimensions transport case: | 45 x 23 x 19.5 cm (LxWxH) |